14940647563 has 4 divisors (see below), whose sum is σ = 15422603968. Its totient is φ = 14458691160.

The previous prime is 14940647537. The next prime is 14940647567. The reversal of 14940647563 is 36574604941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14940647563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14940647567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240978156 + ... + 240978217.

It is an arithmetic number, because the mean of its divisors is an integer number (3855650992).

Almost surely, 2^14940647563 is an apocalyptic number.

14940647563 is a deficient number, since it is larger than the sum of its proper divisors (481956405).

14940647563 is an equidigital number, since it uses as much as digits as its factorization.

14940647563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481956404.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 14940647563 in words is "fourteen billion, nine hundred forty million, six hundred forty-seven thousand, five hundred sixty-three".